报告日期,2021-09-30,2021-06-30,2021-03-31,2020-12-31,2020-09-30,2020-06-30,2020-03-31,2019-12-31,2019-09-30,2019-06-30,2019-03-31,2018-12-31,2018-09-30,2018-06-30,2018-03-31,2017-12-31,2017-09-30,2017-06-30,2017-03-31,2016-12-31,2016-09-30,2016-06-30,2015-12-31,2015-06-30,2014-12-31,2013-12-31,2012-12-31, 应收账款周转率(次),3.98,3.08,1.97,5.68,3.44,2.65,1.47,6.43,4.23,3.34,1.91,6.31,4.14,2.84,1.6,7.48,6.33,4.68,--,9.59,--,4.92,11.42,5.28,15.24,18,14.97, 应收账款周转天数(天),67.83,58.39,45.75,63.42,78.44,67.84,61.2,55.98,63.79,53.87,47.11,57.05,65.3,63.35,56.09,48.14,42.65,38.49,--,37.54,--,36.6,31.51,34.1,23.62,20.01,24.05, 存货周转率(次),5.86,4.64,2.71,6.84,5.24,4.21,1.72,5.41,2.65,2.05,1.18,4.75,2.92,2.22,1.39,6.06,3.3,2.89,--,7.16,--,3.75,8.67,4.88,12.54,13.58,11.11, 固定资产周转率(次),--,0.62,--,0.91,--,0.43,--,1.09,--,0.67,--,1.33,--,0.59,--,1.38,0.89,0.66,--,1.47,--,--,1.67,--,--,--,0.43, 总资产周转率(次),0.31,0.23,0.13,0.39,0.25,0.19,0.11,0.39,0.21,0.14,0.08,0.32,0.22,0.15,0.09,0.43,0.36,0.27,--,0.59,--,--,0.71,--,0.67,0.52,0.43, 存货周转天数(天),46.08,38.76,33.15,52.66,51.51,42.74,52.33,66.57,101.86,87.86,76.42,75.86,92.49,81.11,64.67,59.37,81.76,62.29,--,50.3,--,48,41.52,36.86,28.7,26.5,32.42, 总资产周转天数(天),866.22,779.56,693.91,926.64,1097.56,927.36,813.74,934.58,1288.78,1260.5,1096.22,1136.72,1231.19,1163.54,1000,842.11,742.78,665.93,--,613.81,--,--,503.99,--,533.41,685.84,839.75, 流动资产周转率(次),0.79,0.59,0.32,1.18,0.75,0.64,0.38,1.08,0.62,0.35,0.2,0.63,0.38,0.27,0.16,0.89,1.24,0.95,--,1.87,--,0.83,2.45,1.63,1.96,1.29,118.5, 流动资产周转天数(天),342.42,302.62,277.09,306.04,359.86,281.12,238.92,333.55,433.67,517.39,448.88,567.29,715.99,672.14,578.78,404.59,218.18,190.27,--,192.88,--,217.21,147.23,110.22,183.53,279.37,3.04, 经营现金净流量对销售收入比率(%),0,-0.1,-0.15,0.32,0.1,-0.01,-0.17,0.26,0.23,0.14,-0.02,0.29,0.35,0.31,-0.15,0.26,0.29,0.21,0.04,0.27,--,0.29,0.4,0.08,0.29,0.41,0.43, 资产的经营现金流量回报率(%),0,-0.02,-0.02,0.12,0.02,-0,-0.02,0.09,0.04,0.02,-0,0.08,0.08,0.05,-0.01,0.08,0.1,0.06,--,0.15,--,0.08,0.25,0.03,0.22,0.2,0.19, 经营现金净流量与净利润的比率(%),0,-0.74,-1.09,2.88,1.32,-0.06,-2,1.74,2.08,0.58,-0.08,1.22,1.47,1.36,-0.71,1.11,1.28,0.89,0.18,0.72,--,0.62,1.24,0.32,0.9,1.55,1.92, 经营现金净流量对负债比率(%),0,-0.06,-0.05,0.33,0.07,-0,-0.07,0.3,0.15,0.09,-0.01,0.36,0.66,0.49,-0.15,0.6,0.5,0.29,--,0.68,--,0.36,0.75,0.07,0.4,0.32,0.27, 现金流量比率(%),0.09,-15.11,-12.45,53.94,14.23,-0.71,-11.84,47.58,28.23,17.91,-1.58,61.57,67.82,50.73,-15.04,61.04,50.85,29.58,--,67.91,--,36.06,74.55,6.69,44.69,48.21,48.14,